The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 82 (#Ḥadīth #82)

82 - وَبِهذَا الإِسنادِ قالَ: قالَ رَسُولُ اللَّهِ صَلَّى اللهُعَلَيْهِ وَآلِهِ: كُلُوا العِنَبَ حَبَّةً حَبَّةً فَإِنَّهُ أَهنَأ وَأَمرَءُ.

31-82 According to the same documentation, God’s Prophet (S) said, “Eat grapes one by one, for it is more wholesome and easier."

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).